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Cobalt: used for nitrogen fixation
Need a little more control on that reactive pup
vegetables (green peas 14
This is the substrate you've been reading about in all the hobbyist publications
CaribSea Aragonite Special Grade Reef Sand Supplements & Additives Cobalt: used for nitrogen fixation**40lb bags are a heavy weight item and do not qualify for free shipping.** A revolution in reef keeping! This is the substrate you've been reading about in all the hobbyist publications. This grade of aragonite is specifically engineered for plenum type nitrate reducing beds. The pore water space created by precision grading also allows maximum ph support and dissolution of calcium carbonate. Free of impurities such as ash, metals, pesticides, and
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